MESON Chess Problem Database

Problem Display
PID: 77486 (3N2b1/R3p2P/R3N1B1/1K1kP1r1/1p3n1q/3P4/1b6/1r6 w - - 0 1)

Molnar, Arpad

2nd Prize, British Chess Magazine, 1952

3N2b1/R3p2P/R3N1B1/1K1kP1r1/1p3n1q/3P4/1b6/1r6

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Rd7#
    • 1...Bxe5
      • 2.Be4#
  • Tries
    • 1.Sf7?
      • threat
        • 2.Be4#
        • 2.Rd7#
      • 1...Qxh7
        • 2.Rd7#
      • 1...Rxe5
        • 2.Rd7#
      • 1...Rxg6
        • 2.Rd7#
      • 1...Bxe5
        • 2.Be4#
      • 1...Bxh7
        • 2.Rd7#
      • 1...Sxd3
        • 2.Rd7#
      • 1...Sxe6
        • 2.Rd7#
      • 1...Sxg6
        • 2.Rd7#
      • 1...Qe1
        • 2.Rd7#
      • 1...Qh1
        • 2.Rd7#
      • 1...Re1
        • 2.Rd7#
      • 1...Rf5
        • 2.Rd7#
      • 1...Se2
        • 2.Rd7#
      • 1...Sg2
        • 2.Rd7#
      • 1...Sh3
        • 2.Rd7#
      • 1...Sh5
        • 2.Rd7#
      • 1...Bxf7!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sc7#
      • 1...Kxe6
        • 2.hxg8Q#
        • 2.hxg8B#
      • 1...Rxe5
        • 2.Sxb4#
      • 1...Bxe5
        • 2.Sxe7#
      • 1...Bxe6
        • 2.Be4#
      • 1...Sxe6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK,XP(C)::R(G)
    • B(b);SBLOCK,XP(C)::B(F)
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);XP(H)::R(G)
        • R(g);XP(C)::R(G)
        • R(g);XB(F)::R(G)
        • B(b);XP(C)::B(F)
        • B(i);XP(H)::R(G)
        • S(d);XP(A)::R(G)
        • S(d);XS(E)::R(G)
        • S(d);XB(F)::R(G)
        • Q(e);::R(G)
        • R(a);::R(G)
        • R(g);::R(G)
        • S(d);::R(G)
      • Refutation
        • B(i);XS(I)
  • Actual
    • S(I);
    • Threat
      • S(E)
    • Vars
      • K(f);P_PINP(C),S_FLIGHT,XS(E)::PXB(i)=Q
      • R(g);SBLOCK,XP(C)::S(I),XP(c)
      • B(b);SBLOCK,XP(C)::S(I),XP(h)
      • B(i);SBLOCK,XS(E)::B(F)
      • S(d);SBLOCK,XS(E)::R(G)
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